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6,884
RESULTS

Media Type
3
collections
6,156
texts
407
movies
153
audio
151
images
7
data
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Topics & Subjects
1,972
Geometry
1,892
NASA Technical Reports Server (NTRS)
979
ERIC Archive
680
geometry
535
Algebra
478
Mathematics
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Collection
1,892
NASA Network Resource and Training Site
1,349
American Libraries
964
Education Resources Information Center (ERIC) Archive
419
Canadian Libraries
347
California Digital Library
326
Defense Technical Information Archive
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Creator
1,892
nasa technical reports server (ntrs)
979
eric
372
hamid naderi yeganeh
326
defense technical information center
72
zor shekhtman
69
nigel simmons
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Language
5,605
English
230
French
229
German
73
Latin
48
Italian
46
Urdu
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